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经营范围
发明名称
Herstellungsmethode eines Faserkopplers.
摘要
申请公布号
DE68923244(T2)
申请公布日期
1996.01.04
申请号
DE19896023244T
申请日期
1989.10.25
申请人
SUMITOMO ELECTRIC INDUSTRIES, LTD., OSAKA, JP
发明人
FUKUMA, MASUMI YOKOHAMA WORKS SUMITOMO ELECTRICS, YOKOHAMA-SHI KANAGAWA, JP
分类号
G02B6/255;G02B6/28;(IPC1-7):C03B37/15
主分类号
G02B6/255
代理机构
代理人
主权项
地址
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